EP 2844984 A4 20160113 - SMOKE DETECTOR WITH EXTERNAL SAMPLING VOLUME AND RELATED METHODS
Title (en)
SMOKE DETECTOR WITH EXTERNAL SAMPLING VOLUME AND RELATED METHODS
Title (de)
RAUCHMELDER MIT EXTERNEM PROBEVOLUMEN UND ZUGEHÖRIGE VERFAHREN
Title (fr)
DÉTECTEUR DE FUMÉE AVEC VOLUME D'ÉCHANTILLONNAGE EXTERNE ET PROCÉDÉS ASSOCIÉS
Publication
Application
Priority
- US 201261639935 P 20120429
- US 201313799816 A 20130313
- US 201313799826 A 20130313
- US 201313800071 A 20130313
- US 2013037522 W 20130422
Abstract (en)
[origin: US2013286391A1] In accordance with certain embodiments, a smoke detector comprises a housing, a light source, one or more light detectors, and an evaluation circuit for determining the presence of smoke particles outside the housing based on light emitted from and reflected back into the housing, as well as light emitted within the housing without emission therefrom.
IPC 8 full level
G01N 21/53 (2006.01); G08B 17/103 (2006.01); G08B 17/107 (2006.01)
CPC (source: EP US)
G01N 21/53 (2013.01 - EP US); G08B 17/103 (2013.01 - EP US); G08B 17/107 (2013.01 - EP US); G01N 2201/062 (2013.01 - US); G08B 17/113 (2013.01 - EP US)
Citation (search report)
- [Y] US 2011057805 A1 20110310 - LOEPFE MARKUS [CH], et al
- [Y] EP 1039426 A2 20000927 - SCHAKO METALLWARENFABRIK [DE]
- [Y] US 2007229824 A1 20071004 - POLITZE HEINER [DE], et al
- [A] US 4185278 A 19800122 - FREY PETER J [US], et al
- [A] US 2006164241 A1 20060727 - MAKELA JAKKE [FI], et al
- [A] DE 2632876 A1 19770127 - GEN SIGNAL CORP
- [A] US 2002080040 A1 20020627 - SCHNEIDER JOACHIM [DE], et al
- See references of WO 2013165713A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 2013286391 A1 20131031; US 8947243 B2 20150203; EP 2844984 A1 20150311; EP 2844984 A4 20160113; EP 2844984 B1 20190123; US 2013286392 A1 20131031; US 2013286393 A1 20131031; US 2015116711 A1 20150430; US 8947244 B2 20150203; US 8952821 B2 20150210; US 9470626 B2 20161018; WO 2013165713 A1 20131107
DOCDB simple family (application)
US 201313799816 A 20130313; EP 13784751 A 20130422; US 2013037522 W 20130422; US 201313799826 A 20130313; US 201313800071 A 20130313; US 201514589136 A 20150105